Description: This function checks the shape of tetrahedral elements with respect to the deviation from a perfect pyramid shape.
Volume Skew is defined as the percentage of the volume of a tetrahedral element contains versus a sphere, containing the 4 nodes of that element.
Volume Skew = (Volume of Sphere - Volume of Tetrahedron) / (Volume of Sphere)
Usage: 1. DSI prompts:
>ENTER VOLUE SKEW CRITERIA
1. VGP prompts:
>ENTER COMMAND